package operations.jam.jamdetector;

import android.app.Fragment;
import android.app.FragmentManager;
import android.app.ProgressDialog;
import android.content.Context;
import android.content.ContextWrapper;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.AsyncTask;
import android.support.v4.app.FragmentActivity;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ProgressBar;
import android.widget.TextView;
import android.widget.Toast;

import com.loopj.android.http.RequestParams;

public class MainActivity extends AppCompatActivity {

    private Button loginButton;
    private EditText username;
    private EditText password;
    private TextView registerLabel, closeLabel;
    private ProgressDialog progressDialog;
    private Intent myIntent;
    private Context ctx;
    private String loginMessage;
    private SoapWSHandler soapWSHandler;
    public SessionIDGenerator sessionIDGenerator;
    public int sessionID;

    public static final String PREFERENCES_NAME = "MARKO_PREFERENCES";
    public static final String USERNAME = "USERNAME";
    public static final String SESSION_ID = "SESSION_ID";

    SharedPreferences preferences;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        loginButton = (Button) findViewById(R.id.login_button);
        username = (EditText) findViewById(R.id.login_username);
        password = (EditText) findViewById(R.id.login_password);
        registerLabel = (TextView) findViewById(R.id.register_label);
        closeLabel = (TextView) findViewById(R.id.close_label);
        progressDialog = new ProgressDialog(this);

        soapWSHandler = new SoapWSHandler();
        ctx = new ContextWrapper(getApplicationContext());
        preferences = getApplicationContext().getSharedPreferences(PREFERENCES_NAME, Context.MODE_PRIVATE);
        sessionIDGenerator = new SessionIDGenerator();

        loginButton.setOnClickListener(loginClickListener);
        registerLabel.setOnClickListener(registerSwitch);
        closeLabel.setOnClickListener(exitListener);
        progressDialog.setMessage("LOGIN PROCESS");

    }

    @Override
    protected void onDestroy() {
        android.os.Process.killProcess(android.os.Process.myPid());
        super.onDestroy();

    }

    private View.OnClickListener loginClickListener = new View.OnClickListener() {

        @Override
        public void onClick(View v) {
            LoginTask loginTask = new LoginTask();
            loginTask.execute(String.valueOf(username.getText()), String.valueOf(password.getText()));
        }
    };

    private View.OnClickListener registerSwitch = new View.OnClickListener() {

        @Override
        public void onClick(View v) {
            switchToRegisterForm();
        }
    };

    private View.OnClickListener exitListener = new View.OnClickListener() {

        @Override
        public void onClick(View v) {
            finish();
        }
    };


    public void switchToRegisterForm() {
        myIntent = new Intent(this, RegisterActivity.class);
        startActivity(myIntent);
    }

    public void switchToMapActivity() {
        myIntent = new Intent(this, MapActivity.class);
        startActivity(myIntent);
    }

    public void sessionCreator(SharedPreferences preferences, String username, int sessionID) {
        SharedPreferences.Editor editor = preferences.edit();
        editor.putString(USERNAME, username);
        editor.putInt(SESSION_ID, sessionID);
        editor.commit();
    }

    public class LoginTask extends AsyncTask<String, Integer, String> {

        @Override
        protected  void onPreExecute() {
            super.onPreExecute();
            progressDialog.setIndeterminate(true);
            progressDialog.setCancelable(true);
            progressDialog.show();
        }

        @Override
        protected String doInBackground(String... params) {
            if (NetworkStatus.getNetworkStatus(ctx).isConnected()) {
                if (soapWSHandler.sendUserLoginData(params[0], params[1])) {
                    sessionID = sessionIDGenerator.generateNewSessionId();
                    sessionCreator(preferences, params[0], sessionID);
                    switchToMapActivity();
                } else
                    loginMessage = "Wrong username or password";
            } else {
                UserOperations userOperations = new UserOperations(ctx);
                long count = userOperations.searchUserLocal(params[0], params[1]);
                if (count > 0) {
                    loginMessage = null;
                    sessionID = sessionIDGenerator.generateNewSessionId();
                    sessionCreator(preferences, params[0], sessionID);
                    switchToMapActivity();
                } else
                    loginMessage = "Wrong username or password";
            }
            return null;
        }

        @Override
        protected void onPostExecute(String result) {
            progressDialog.dismiss();
            if (loginMessage != null) {
                Toast.makeText(getApplicationContext(), loginMessage, Toast.LENGTH_LONG).show();
                loginMessage = null;
            }
        }
    }
}